PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/23-01:27:40
G10     254.7          29.0               10.7 +/-    3.00      19.1 +/-    3.00  0.070 / 0.260
G13     50.3           28.4                8.4 +/-    1.89      15.2 +/-    1.89  0.070 / 0.280
G15     81.5           57.8               12.5 +/-    0.58      14.5 +/-    0.58  0.120 / 0.300
G16     292.3          14.3                6.9 +/-    1.56      17.5 +/-    1.56  0.120 / 0.260
G18     274.9          57.4                9.2 +/-    1.73      10.7 +/-    1.73  0.080 / 0.100
G20     46.9           43.1               10.2 +/-    0.45      14.1 +/-    0.45  0.140 / 0.130
G21     339.2          63.5               10.5 +/-    0.43      11.6 +/-    0.43  0.040 / 0.040
G26     264.8          13.6                7.9 +/-    3.24      20.4 +/-    3.24  0.030 / 0.030
G29     165.5          42.7               11.2 +/-    0.77      15.6 +/-    0.77  0.040 / 0.060